<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>选择器</title>
		<style type="text/css">
			ul li a {
				color: #FF0000;
			}
			div>a {
				color: #008000;
			}
			div, p {
				color: pink;
			}
		</style>
	</head>
	<body>
		<ul>
			<li></li>
			<li><a href="#">222</a></li>
			<li></li>
			<a href="#">222</a>
		</ul>
		<div>
			<p><a href="#">11111</a></p>
			<a href="#">22222</a>
		</div>
		<div></div>
		<p></p>
		<div class="aaa"></div>
		<p class="aaa"></p>
		<h3>并集选择器</h3>
		<div>xd</div>
		<p>xdda</p>
		
		
	</body>
</html>
